56288440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108247}}^1$

素因数の和:108271

約数の個数: 32

約数和(自身を含む): 136392480

約数和(自身を除く): 80104040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108247, 216494, 432988, 541235, 865976, 1082470, 1407211, 2164940, 2814422, 4329880, 5628844, 7036055, 11257688, 14072110, 28144220, 56288440]

約数ペア:

[(1, 56288440), (2, 28144220), (4, 14072110), (5, 11257688), (8, 7036055), (10, 5628844), (13, 4329880), (20, 2814422), (26, 2164940), (40, 1407211), (52, 1082470), (65, 865976), (104, 541235), (130, 432988), (260, 216494), (520, 108247)]